International Journal of Optomechatronics最新文献_第4页

Progress of optomechanical micro/nano sensors: a review 光机械微纳传感器研究进展

IF 5.5 3区工程技术

International Journal of Optomechatronics Pub Date : 2021-01-01 DOI: 10.1080/15599612.2021.1986612

Xinmiao Liu, Weixin Liu, Zhihao Ren, Yiming Ma, B. Dong, Guangya Zhou, Chengkuo Lee

引用次数: 40

Mechanism of peripheral nerve modulation and recent applications 外周神经调节机制及其应用

IF 5.5 3区工程技术

International Journal of Optomechatronics Pub Date : 2021-01-01 DOI: 10.1080/15599612.2021.1978601

Heejae Shin, Minseok Kang, Sanghoon Lee

引用次数: 8

Application of OCT for osteonecrosis using an endoscopic probe based on an electrothermal MEMS scanning mirror 基于电热MEMS扫描镜的内窥镜探针在骨坏死OCT中的应用

IF 5.5 3区工程技术

International Journal of Optomechatronics Pub Date : 2021-01-01 DOI: 10.1080/15599612.2021.1923876

D. Wang, J. Zhang, L. Liu, Z. Yan, P. Wang, Y. Ding, H. Xie

{"title":"Application of OCT for osteonecrosis using an endoscopic probe based on an electrothermal MEMS scanning mirror","authors":"D. Wang, J. Zhang, L. Liu, Z. Yan, P. Wang, Y. Ding, H. Xie","doi":"10.1080/15599612.2021.1923876","DOIUrl":"https://doi.org/10.1080/15599612.2021.1923876","url":null,"abstract":"Abstract Osteonecrosis becomes a more widespread problem as the population is getting older. Current osteonecrosis diagnosis not only requires invasive procedures but also often leads to surgical replacement. This paper reports a preliminary study of applying optical coherence tomography (OCT) for noninvasive diagnosis of osteonecrosis using an endoscopic probe based on a microelectromechanical (MEMS) scanning mirror. The endoscopic MEMS probe is only 2.5 mm in diameter and can scan a field of view of 24°. First a tissue sample of femoral head with osteonecrosis is scanned with the MEMS probe. The resultant OCT images can clearly delineate the necrosis region from the normal bone. Then in vivo experiments are carried out on an adult rabbit, in which the rabbit’s femoral head is scanned and imaged with the same MEMS probe and both three-dimensional (3 D) structural images and blood flows are obtained. The OCT imaging experiments show that the femoral head of this rabbit does not have osteonecrosis and its blood flow is present, which is in agreement with the destructive diagnosis. The blood flow rates in the femoral head are extracted from the OCT images acquired in three cases: normal blood supply, partial ischemia and complete ischemia, which are 19.3 mm/s, 11.9 mm/s, and 1.88 mm/s, respectively. These experiments demonstrate that OCT can clearly distinguish between the osteonecrosis and normal bone and measure the blood flow rate in the bone, both with the cartilage present, showing great potential for non-invasive osteonecrosis diagnosis.","PeriodicalId":50296,"journal":{"name":"International Journal of Optomechatronics","volume":"15 1","pages":"87 - 96"},"PeriodicalIF":5.5,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15599612.2021.1923876","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44442932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Correlation of accommodation and lens location with higher-order aberrations and axial length elongation during orthokeratology lens wear 角膜塑形镜磨损过程中调节和晶状体位置与高阶像差和轴向长度延伸的相关性

IF 5.5 3区工程技术

International Journal of Optomechatronics Pub Date : 2021-01-01 DOI: 10.1080/15599612.2020.1857889

Jy-Been Liang, Wen-Pin Lin, Richard Wu, Connie Chen

{"title":"Correlation of accommodation and lens location with higher-order aberrations and axial length elongation during orthokeratology lens wear","authors":"Jy-Been Liang, Wen-Pin Lin, Richard Wu, Connie Chen","doi":"10.1080/15599612.2020.1857889","DOIUrl":"https://doi.org/10.1080/15599612.2020.1857889","url":null,"abstract":"Abstract This study examined the effects of overnight orthokeratology (OK) on higher-order wavefront aberrations (HOA), axial length elongation, and accommodation. Low to moderate myopic subjects with healthy eyes wore OK lenses nightly for 9 months. Corneal topography wavefront aberrations and accommodation were measured approximately monthly. Linear mixed-effects models were used to examine the association between the change in peripheral corneal parameters relative to the central cornea with HOA, and the association of accommodation and axial length elongation with HOA. Thirty-three participants (mean age 19.61 years) were included. Mean baseline refraction was −2.97 D (range, −1.0 to −5.0 D). The level of spherical aberration (SA) was associated with a change in relative superior-central corneal thickness (β = −0.21, SE = 0.10, p < 0.037) and with the increased difference in superior-central corneal curvature (β = 0.34, SE = 0.15, p = 0.026). The change of coma increased with the change in relative superior corneal curvature (β = 0.84, SE = 0.18, p < 0.001). Axial length elongation was associated with both horizontal coma (β = 0.19, SE = 0.07, p = 0.018) and SA (β = 0.20, SE = 0.07, p = 0.003). While accommodation and axial length were correlated with HOA, axial length elongation was not correlated with accommodation in OK lens wearers.","PeriodicalId":50296,"journal":{"name":"International Journal of Optomechatronics","volume":"15 1","pages":"1 - 9"},"PeriodicalIF":5.5,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15599612.2020.1857889","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47563350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Depth-sensing technology using a negative microlens array 使用负微透镜阵列的深度传感技术

IF 5.5 3区工程技术

International Journal of Optomechatronics Pub Date : 2021-01-01 DOI: 10.1080/15599612.2021.1978600

Chih-hsiung Lin, Kun-Huang Chen

引用次数: 1

Effect of different tinted soft contact lenses on the tear quality and ocular surface properties 不同颜色软性隐形眼镜对泪液质量和眼表特性的影响

IF 5.5 3区工程技术

International Journal of Optomechatronics Pub Date : 2021-01-01 DOI: 10.1080/15599612.2021.1892247

Min-Yen Hsu, Yu-Ping Wang, Pei-Yu Hong, Pei-Ying Chen, Connie Chen

{"title":"Effect of different tinted soft contact lenses on the tear quality and ocular surface properties","authors":"Min-Yen Hsu, Yu-Ping Wang, Pei-Yu Hong, Pei-Ying Chen, Connie Chen","doi":"10.1080/15599612.2021.1892247","DOIUrl":"https://doi.org/10.1080/15599612.2021.1892247","url":null,"abstract":"Abstract Different designs for contact lenses can result in insufficient oxygen permeability of the lenses. Moreover, the contact lens wearing schedule, replacement, lens care systems, and purchase methods are all important considerations for contact lens wearers. To evaluate the influence of tinted contact lenses with the pigment layer in different locations on the tear quality and ocular surface properties, as well as the subjective experience of the wearer In this randomized double-blind study, 30 healthy subjects (60 eyes) were randomly assigned to two groups. The pigment layer of lenses in group I was embedded within the matrix, close to the front surface, while that in group II was located on the front surface of the lens. Subjects wore the contact lenses for 7 days, 8 h a day. In both groups, the frequency of blinking after lens wear increased significantly relative to that before lens wear. The tear-breakup time was significantly shorter in group II than in group I. Temporal bulbar conjunctiva, nasal bulbar conjunctiva, temporal limbal, nasal limbal, and eyelid redness levels in both groups, and corneal staining levels in group II, were significantly increased after 7-day lens wear. Nasal bulbar conjunctiva, temporal limbal, and nasal limbal redness; eyelid smoothness; and corneal staining levels were significantly higher in group II. There was no significant between-group difference in the subjective experience. Ocular surface properties deteriorated while the frequency of blinking increased after wear of both types of tinted contact lenses for 7 days. Both designs resulted in insufficient oxygen permeability of the contact lenses.","PeriodicalId":50296,"journal":{"name":"International Journal of Optomechatronics","volume":"15 1","pages":"10 - 18"},"PeriodicalIF":5.5,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15599612.2021.1892247","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47561960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

MEMS gratings and their applications MEMS光栅及其应用

IF 5.5 3区工程技术

International Journal of Optomechatronics Pub Date : 2021-01-01 DOI: 10.1080/15599612.2021.1892248

Guangcan Zhou, Zi Heng Lim, Y. Qi, F. Chau, Guangya Zhou

{"title":"MEMS gratings and their applications","authors":"Guangcan Zhou, Zi Heng Lim, Y. Qi, F. Chau, Guangya Zhou","doi":"10.1080/15599612.2021.1892248","DOIUrl":"https://doi.org/10.1080/15599612.2021.1892248","url":null,"abstract":"Abstract Grating plays an essential role in various optical systems owing to its unique dispersion properties. In recent years, there is increasing demand to miniaturize optical systems for a wide range of field applications. Therefore, the integration of diffraction grating with MEMS technology provides an efficient way to build truly miniaturized optical systems. Till now, MEMS diffraction gratings have mainly been explored in two directions, namely MEMS scanning gratings and MEMS tunable gratings. MEMS scanning gratings are constructed with a variety of MEMS actuators to drive a grating platform to scan across the target, and they play a significant role in various scanning systems. Meanwhile, the dispersive properties of grating scanners make them attractive in wavelength sensing applications, including spectrometers and hyperspectral imaging systems. Tunable gratings typically employ MEMS actuators to dynamically change the diffraction properties, thus tuning its wavelength sensitivity for a specific application. Thus, this review will introduce these two types of MEMS gratings in detail and evaluate their efficiency and advantages in various fields.","PeriodicalId":50296,"journal":{"name":"International Journal of Optomechatronics","volume":"15 1","pages":"61 - 86"},"PeriodicalIF":5.5,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15599612.2021.1892248","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45858209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 14

The study on surface integrity on laser-assisted turning of SiCp/2024Al 激光辅助车削SiCp/2024Al表面完整性研究

IF 5.5 3区工程技术

International Journal of Optomechatronics Pub Date : 2020-08-06 DOI: 10.1080/15599612.2020.1789251

Changtai Zhai, Jinkai Xu, Yiquan Li, Yonggang Hou, Shuaishuai Yuan, Qimeng Liu, Xu Wang

引用次数: 0

All-fiber Mach–Zehnder comb filter based on tapered fibers for wavelength switchable erbium-doped fiber lasers 用于波长可切换掺铒光纤激光器的基于锥形光纤的全光纤Mach-Zehnder梳状滤波器

IF 5.5 3区工程技术

International Journal of Optomechatronics Pub Date : 2020-01-01 DOI: 10.1080/15599612.2020.1775917

He Wei, Zhu Lianqing, Dong Mingli

引用次数: 11

Simultaneous multi-dimensional spatial frequency modulation imaging 同时多维空间调频成像

IF 5.5 3区工程技术

International Journal of Optomechatronics Pub Date : 2020-01-01 DOI: 10.1080/15599612.2019.1694610

Nathan Worts, J. Czerski, Jason Jones, J. Field, R. Bartels, J. Squier

引用次数: 6